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WO2020138940A1 - Procédé de test de module de communication sans fil et dispositif électronique comprenant le module de communication sans fil - Google Patents

Procédé de test de module de communication sans fil et dispositif électronique comprenant le module de communication sans fil Download PDF

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Publication number
WO2020138940A1
WO2020138940A1 PCT/KR2019/018443 KR2019018443W WO2020138940A1 WO 2020138940 A1 WO2020138940 A1 WO 2020138940A1 KR 2019018443 W KR2019018443 W KR 2019018443W WO 2020138940 A1 WO2020138940 A1 WO 2020138940A1
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WIPO (PCT)
Prior art keywords
wireless communication
communication module
phase
offset information
phase shifter
Prior art date
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Ceased
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PCT/KR2019/018443
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English (en)
Inventor
Jooseok LEE
Jeongho Lee
Juho Son
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to EP19904586.5A priority Critical patent/EP3827529B1/fr
Priority to CN201980083436.2A priority patent/CN113243090B/zh
Publication of WO2020138940A1 publication Critical patent/WO2020138940A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/267—Phased-array testing or checking devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/15—Performance testing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/36—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0465—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, into account
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0682—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using phase diversity (e.g. phase sweeping)
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM

Definitions

  • the disclosure provides a method and an apparatus for efficiently testing a wireless communication module in a wireless communication system in which beamforming is performed.
  • the 5G or pre-5G communication system is also called a “beyond 4G network” communication system or a "post Long Term Evolution (LTE) System.”
  • mmWave ultrahigh frequency
  • 60 GHz bands e.g. 60 GHz bands
  • FQAM FSK and QAM modulation
  • SWSC sliding window superposition coding
  • ACM advanced coding modulation
  • FBMC filter bank multi carrier
  • NOMA non-orthogonal multiple access
  • SCMA sparse code multiple access
  • the Internet which is a human centered connectivity network where humans generate and consume information
  • IoT Internet of things
  • IoE Internet of everything
  • Technology elements such as “sensing technology”, “wired/wireless communication and network infrastructure”, “service interface technology”, and “security technology” have been demanded for IoT implementation; therefore, technologies, such as a sensor network, machine-to-machine (M2M) communication, machine type communication (MTC) for a connection between things, are recently researched.
  • M2M machine-to-machine
  • MTC machine type communication
  • IoT Internet technology
  • IoT may be applied to a variety of fields including smart home, smart building, smart city, smart car or connected car, smart grid, health care, smart appliances, and advanced medical services through convergence and combination between existing information technology (IT) and various industrial applications.
  • technologies such as a sensor network, machine-to-machine (M2M) communication, and machine type communication (MTC) may be implemented by beamforming, MIMO, and array antennas, which correspond to 5G communication technology.
  • M2M machine-to-machine
  • MTC machine type communication
  • cloud RAN cloud radio access network
  • the number of wireless communication modules included in the electronic device may increase.
  • the time required to test the performance of the wireless communication module included in the electronic device may be increased.
  • the number of wireless communication modules included in an electronic device may be increased. Accordingly, the time required to test the performances of the wireless communication modules included in the electronic device may also be increased.
  • an aspect of the disclosure is to provide a method and an apparatus for efficiently testing a wireless communication module in a wireless communication system in which beamforming is performed.
  • an electronic device includes a wireless communication module, wherein the wireless communication module includes an antenna array including at least one antenna element, a phase shifter configured to control a phase of a beam radiating from the antenna array, a processor electrically connected to the phase shifter and configured to perform beamforming by controlling the phase shifter, and a memory including phase offset information of the wireless communication module.
  • the wireless communication module includes an antenna array including at least one antenna element, a phase shifter configured to control a phase of a beam radiating from the antenna array, a processor electrically connected to the phase shifter and configured to perform beamforming by controlling the phase shifter, and a memory including phase offset information of the wireless communication module.
  • a method for testing a wireless communication module includes acquiring phase offset information stored in a memory of the wireless communication module, adjusting a phase shifter of the wireless communication module based on the phase offset information, and testing an output power and beamforming performance of the wireless communication module.
  • a base station in accordance with another aspect of the disclosure, includes a wireless communication module, wherein the wireless communication module includes an antenna array including at least one antenna element, a phase shifter configured to control a phase of a beam radiating from the antenna array, a processor electrically connected to the phase shifter and configured to perform beamforming by controlling the phase shifter, and a memory including phase offset information of the wireless communication module.
  • the wireless communication module includes an antenna array including at least one antenna element, a phase shifter configured to control a phase of a beam radiating from the antenna array, a processor electrically connected to the phase shifter and configured to perform beamforming by controlling the phase shifter, and a memory including phase offset information of the wireless communication module.
  • the time required to test the performance of the wireless communication module can be reduced.
  • the beamforming can be performed in consideration of the performances of the respective wireless communication modules.
  • the time required for wireless communication module performance test can be reduced.
  • beamforming in consideration of the performance of each wireless communication module may be performed.
  • FIG. 1 is a diagram illustrating beam sweeping through a wireless communication module according to an embodiment of the disclosure
  • FIG. 2 is a diagram illustrating an electronic device including a plurality of wireless communication modules according to an embodiment of the disclosure
  • FIG. 3 is a diagram illustrating the structure of a wireless communication module according to an embodiment of the disclosure.
  • FIG. 4 is a diagram illustrating a method for determining phase offset information according to an embodiment of the disclosure
  • FIG. 5 is a flowchart illustrating a method for testing a wireless communication module according to an embodiment of the disclosure
  • FIG. 6 is a flowchart illustrating a method for testing a wireless communication module including a method for determining phase offset information according to an embodiment of the disclosure
  • FIG. 7 is a flowchart illustrating a method for determining phase offset information according to an embodiment of the disclosure
  • FIG. 8 is a flowchart illustrating a method for determining phase offset information according to an embodiment of the disclosure
  • FIG. 9 is a flowchart illustrating a method for determining phase offset information according to an embodiment of the disclosure.
  • FIG. 10 is a flowchart illustrating a method for determining phase offset information according to an embodiment of the disclosure.
  • each block of the flowchart illustrations, and combinations of blocks in the flowchart illustrations can be implemented by computer program instructions.
  • These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart block or blocks.
  • These computer program instructions may also be stored in a computer usable or computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer usable or computer-readable memory produce an article of manufacture including instruction means that implement the function specified in the flowchart block or blocks.
  • the computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operations to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions that execute on the computer or other programmable apparatus provide operations for implementing the functions specified in the flowchart block or blocks.
  • each block of the flowchart illustrations may represent a module, segment, or portion of code, which includes one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the blocks may occur out of the order. For example, two blocks shown in succession may in fact be executed substantially concurrently or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved.
  • ⁇ unit means, but is not limited to, a software or hardware component, such as field programmable gate array (FPGA) or application specific integrated circuit (ASIC), which performs certain tasks.
  • FPGA field programmable gate array
  • ASIC application specific integrated circuit
  • ⁇ unit is not meant to be limited to software or hardware.
  • the term “ ⁇ unit” may advantageously be configured to reside on the addressable storage medium and configured to execute on one or more processors.
  • “ ⁇ unit” may include, by way of example, components, such as software components, object-oriented software components, class components and task components, processes, functions, attributes, procedures, subroutines, segments of program code, drivers, firmware, microcode, circuitry, data, databases, data structures, tables, arrays, and variables.
  • components and “ ⁇ units” may be combined into fewer components and “ ⁇ units” or further separated into additional components and “ ⁇ units”. Further, the components and “ ⁇ units” may be implemented to operate one or more central processing units (CPUs) in a device or a security multimedia card. Further, in an embodiment, " ⁇ unit” may include one or more processors.
  • CPUs central processing units
  • ⁇ unit may include one or more processors.
  • FIG. 1 is a diagram illustrating beam sweeping through a wireless communication module according to an embodiment of the disclosure.
  • a new method that is different from the wireless communication method in the related art should be considered.
  • a gain loss of a beam radiating through a wireless communication module may become higher.
  • a multi-chain structure may be used to minimize the gain loss of the beam.
  • one wireless communication module 100 may have four multi-chains, and the wireless communication module 100 may perform beam sweeping by forming beams through the multi-chains.
  • the multi-chains may mean a plurality of radio frequency (RF) chains.
  • up to 32 chains may be implemented in one wireless communication module.
  • 256 or 1024 or more chains may be necessary in one electronic device. Accordingly, in order to solve the above-described problems, a method for configuring multi-chains using a plurality of wireless communication modules may be considered.
  • FIG. 2 is a diagram illustrating an electronic device including a plurality of wireless communication modules according to an embodiment of the disclosure.
  • an electronic device may include five wireless communication modules 210, 220, 230, 240, and 250.
  • the five wireless communication modules 210, 220, 230, 240, and 250 may perform beamforming in mm-Wave bands.
  • the second wireless communication module 220, the third wireless communication module 230, the fourth wireless communication module 240, and the fifth wireless communication module 250 may be deployed at ends of the electronic device to radiate beams to an outside of the electronic device.
  • the second wireless communication module 220, the third wireless communication module 230, the fourth wireless communication module 240, and the fifth wireless communication module 250 may be front-end chips.
  • the second wireless communication module 220, the third wireless communication module 230, the fourth wireless communication module 240, and the fifth wireless communication module 250 may include a plurality of RF chains.
  • the first wireless communication module 210 may transmit a signal having an input phase of ⁇ 1 to the second wireless communication module 220, the third wireless communication module 230, the fourth wireless communication module 240, and the fifth wireless communication module 250.
  • the second wireless communication module 220, the third wireless communication module 230, the fourth wireless communication module 240, and the fifth wireless communication module 250 may generate beams in a specific direction.
  • the second wireless communication module 220 having received the signal having the phase of ⁇ 1 may change the phase of ⁇ 1 as much as ⁇ 2 in order to form the beam in the specific direction.
  • the third wireless communication module 230 may change the phase of ⁇ 1 as much as ⁇ 3 in order to form the beam in the specific direction
  • the fourth wireless communication module 240 may change the phase of ⁇ 1 as much as ⁇ 4 in order to form the beam in the specific direction.
  • the fifth wireless communication module 250 may change the phase of ⁇ 1 as much as ⁇ 5 in order to form the beam in the specific direction.
  • the phase value ⁇ 2 intended to be changed through the second wireless communication module 220 may be different from the phase value being actually changed by the second wireless communication module 220.
  • the phase value intended to be changed through the second wireless communication module 220 may be 30°,whereas the phase value being actually changed by the second wireless communication module 220 may be 20°.
  • the difference between the above-described phase values may be caused by process dispersion occurring in the process of manufacturing the wireless communication module.
  • elements such as transistors, capacitors, and inductors, included in the wireless communication module, there may be the difference between the phase value intended to be changed through the wireless communication modules and the phase value being actually changed.
  • the difference between the phase value intended to be changed through the wireless communication modules and the phase value being actually changed may be increased as the frequency band intended to be radiated through the wireless communication module becomes heightened.
  • the difference between the phase values may be increased in comparison with an LTE communication system.
  • the difference between the phase values may become greater.
  • the difference between the phase value intended to be changed through the wireless communication module and the phase value being actually changed by the wireless communication module may exist.
  • the electronic device may perform an accurate beamforming operation by identifying the difference between the phase value intended to be changed through each wireless communication module and the phase value being actually changed by each wireless communication module.
  • FIG. 3 is a diagram illustrating the structure of a wireless communication module according to an embodiment of the disclosure.
  • an electronic device may include at least one wireless communication module 310.
  • the wireless communication module 310 may be deployed at an end of the electronic device to radiate a beam to an outside of the electronic device.
  • the wireless communication module 310 may include an antenna array 320 including at least one antenna element, a phase shifter 330 configured to control a phase of a beam radiating from the antenna array 320, a processor 340 electrically connected to the phase shifter 330 and configured to perform beamforming by controlling the phase shifter 330, and a memory 350 including phase offset information of the wireless communication module 310.
  • the phase offset information of the wireless communication module stored in the memory 350 may be determined based on a phase difference between the wireless communication module 310 and a reference wireless communication module.
  • the reference wireless communication module may have the characteristic that is equal or similar to the characteristic of the wireless communication module 310 (even if the reference wireless communication module and the wireless communication module are manufactured to have the same characteristic, the characteristics of both the modules may be different from each other due to semiconductor process dispersion).
  • FIG. 3 is a diagram illustrating the structure of the wireless communication module according to an embodiment disclosed in the disclosure. Accordingly, the structure of the wireless communication module disclosed in the disclosure should not be limited to the structure of the wireless communication module as illustrated in FIG. 3.
  • the processor 340 may also be directly and electrically connected to the antenna array 320.
  • FIG. 4 is a diagram illustrating a method for determining phase offset information according to an embodiment of the disclosure.
  • phase offset information of a wireless communication module may be determined based on a phase difference between a wireless communication module 410 and a reference wireless communication module 420.
  • the reference wireless communication module 420 may have the characteristic that is equal or similar to the characteristic of the wireless communication module 410.
  • a signal generator 430 may transmit the same signal f 1 to the wireless communication module 410 and the reference wireless communication module 420.
  • the wireless communication module 410 and the reference wireless communication module 420 may receive a local oscillator (LO) signal for changing the phase of the f 1 signal received from the signal generator 430 from a local oscillator (LO) generator 450.
  • LO local oscillator
  • the wireless communication module 410 may output an f 3 signal based on the f 1 signal and the LO signal. For example, there may be a difference as much as ⁇ 1 between the phase of the f 3 signal and the phase of the f 1 signal.
  • the reference wireless communication module 420 may output an f 2 signal based on the f 1 signal and the LO signal. For example, there may be a difference as much as ⁇ 2 between the phase of the f 2 signal and the phase of the f 1 signal.
  • the phase of ⁇ 1 that is changed by the wireless communication module 410 and the phase of ⁇ 2 that is changed by the reference wireless communication module 420 may have different values due to the semiconductor process dispersion. Accordingly, in order to accurately test the performance of the wireless communication module 410, it is necessary to know the phase dispersion occurring in the wireless communication module 410 due to the semiconductor process dispersion.
  • the f 3 signal output from the wireless communication module 410 and the f 2 signal output from the reference wireless communication module 420 may be added and transmitted to a spectrum analyzer 440.
  • the phase dispersion of the wireless communication module 410 may be identified based on the characteristic of the (f 2 +f 3 ) signal being analyzed by the spectrum analyzer 440.
  • the output signal f 2 of the wireless communication module 410 and the output signal f 3 of the reference wireless communication module 420 may act mutually as constructive interferences through adjustment of the phase shifter included in the wireless communication module 410. According to various embodiments, it may be identified through the spectrum analyzer 440 whether the f 2 signal and the f 3 signal act mutually as constructive interferences.
  • the phase dispersion value of the wireless communication module 410 may be determined based on the phase change value by the phase shifter of the wireless communication module 410. For example, the phase dispersion of the wireless communication module 410 may be determined based on Equation 1 below.
  • ⁇ denotes phase dispersion of the wireless communication module
  • ⁇ ps denotes a phase change value by the phase shifter of the wireless communication module.
  • the output signal f 2 of the wireless communication module 410 and the output signal f 3 of the reference wireless communication module 420 may act mutually as destructive interferences through adjustment of the phase shifter included in the wireless communication module 410. According to various embodiments, it may be identified through the spectrum analyzer 440 whether the f 2 signal and the f 3 signal act mutually as destructive interferences.
  • the phase dispersion value of the wireless communication module 410 may be determined based on the phase change value by the phase shifter of the wireless communication module 410. For example, the phase dispersion of the wireless communication module 410 may be determined based on Equation 2 below.
  • ⁇ denotes phase dispersion of the wireless communication module
  • ⁇ ps denotes a phase change value by the phase shifter of the wireless communication module.
  • the phase dispersion value of the wireless communication module 410 may be determined based on the Equation 1 or 2. According to various embodiments, the determined phase dispersion value may be stored in a memory of the wireless communication module or a register provided inside the processor, and the stored phase dispersion value may be used in a performance test of the wireless communication module.
  • FIG. 5 is a flowchart illustrating a method for testing a wireless communication module according to an embodiment of the disclosure.
  • phase offset information stored in a memory of a wireless communication module may be acquired.
  • the phase offset information may be determined based on a phase difference between the wireless communication module and a reference wireless communication module.
  • the phase offset information may be a phase dispersion value of the wireless communication module.
  • a phase shifter of the wireless communication module may be adjusted based on the phase offset information. For example, if the phase offset information is +10°the phase dispersion value of the wireless communication module including the phase offset information may be +10°In this case, if it is intended to form a beam in the direction of +40°through the wireless communication module, the phase shifter may be adjusted as much as +30° in consideration of the phase dispersion value of +10°
  • the output power or beamforming performance of the wireless communication module may be tested.
  • the beamforming performances of a plurality of wireless communication modules included in the electronic device may be tested.
  • FIG. 6 is a flowchart illustrating a method for testing a wireless communication module including a method for determining phase offset information according to an embodiment of the disclosure.
  • the output power of a wireless communication module and the output power of a reference wireless communication module may be acquired.
  • the output power of the wireless communication module and the output power of the reference wireless communication module may be transmitted to a spectrum analyzer, and the sum of the output of the wireless communication module and the output of the reference wireless communication module may be acquired through the spectrum analyzer.
  • phase offset information of the wireless communication module may be determined based on the sum of the output power of the wireless communication module and the output power of the reference wireless communication module.
  • the detailed explanation of operation S620 will be described later with reference to FIGS. 7 to 10.
  • the determined phase offset information may be stored in a memory of the wireless communication module.
  • the phase offset information may be stored in a register included in a wireless communication module processor.
  • the phase offset information may be the phase dispersion value of the wireless communication module.
  • Operations S640, S650, and S660 as illustrated in FIG. 6 may be equal or similar to the operations S510, S520, and S530 as illustrated in FIG. 5. Accordingly, explanation of the operations S640, S650, and S660 of FIG. 6 is replaced by the explanation with reference to FIG. 5.
  • FIG. 7 is a flowchart illustrating a method for determining phase offset information according to a first embodiment of the disclosure. According to an embodiment, the flowchart as illustrated in FIG. 7 may be included in operation S620 of FIG. 6.
  • the sum of an output power of a wireless communication module and an output power of a reference wireless communication module may be identified through adjustment of a phase shifter of the wireless communication module.
  • an output signal of the wireless communication module and an output signal of the reference wireless communication module may be transmitted to a spectrum analyzer, and the sum of the output power of the wireless communication module and the output power of the reference wireless communication module may be identified through the spectrum analyzer.
  • operation S720 it may be identified whether the sum of the output power of the wireless communication module and the output power of the reference wireless communication module has the maximum value. According to various embodiments, if the sum of the output power of the wireless communication module and the output power of the reference wireless communication module has the maximum value, the adjustment of the phase shifter may be stopped, and at operation S730, phase offset information of the wireless communication module may be determined. According to an embodiment, if the sum of the output power of the wireless communication module and the output power of the reference wireless communication module does not have the maximum value, the operation returns to the operation S710, and the sum of the output power of the wireless communication module and the output power of the reference wireless communication module may be identified through adjustment of the phase shifter of the wireless communication module.
  • the phase offset information of the wireless communication module may be determined based on the phase value of the phase shifter of the wireless communication module whereby the sum of the output power of the wireless communication module and the output power of the reference wireless communication module has the maximum value.
  • the phase offset information of the wireless communication module may be determined based on Equation 3 below.
  • ⁇ denotes phase offset information of the wireless communication module
  • ⁇ ps denotes a phase value of the phase shifter of the wireless communication module if the sum of the output power of the wireless communication module and the output power of the reference wireless communication module has the maximum value.
  • FIG. 8 is a flowchart illustrating a method for determining phase offset information according to a second embodiment of the disclosure. According to an embodiment, the flowchart as illustrated in FIG. 8 may be included in operation S620 of FIG. 6.
  • the sum of an output power of a wireless communication module and an output power of a reference wireless communication module may be identified through adjustment of a phase shifter of the wireless communication module.
  • an output signal of the wireless communication module and an output signal of the reference wireless communication module may be transmitted to a spectrum analyzer, and the sum of the output power of the wireless communication module and the output power of the reference wireless communication module may be identified through the spectrum analyzer.
  • operation S820 it may be identified whether the sum of the output power of the wireless communication module and the output power of the reference wireless communication module has the minimum value. According to various embodiments, if the sum of the output power of the wireless communication module and the output power of the reference wireless communication module has the minimum value, the adjustment of the phase shifter may be stopped, and at operation S830, phase offset information of the wireless communication module may be determined. According to an embodiment, if the sum of the output power of the wireless communication module and the output power of the reference wireless communication module does not have the minimum value, the operation returns to the operation S810, and the sum of the output power of the wireless communication module and the output power of the reference wireless communication module may be identified through adjustment of the phase shifter of the wireless communication module.
  • the phase offset information of the wireless communication module may be determined based on the phase value of the phase shifter of the wireless communication module whereby the sum of the output power of the wireless communication module and the output power of the reference wireless communication module has the minimum value.
  • the phase offset information of the wireless communication module may be determined based on Equation 4 below.
  • ⁇ denotes phase offset information of the wireless communication module
  • ⁇ ps denotes a phase value of the phase shifter of the wireless communication module if the sum of the output power of the wireless communication module and the output power of the reference wireless communication module has the minimum value.
  • FIG. 9 is a flowchart illustrating a method for determining phase offset information according to a third embodiment of the disclosure. According to an embodiment, the flowchart as illustrated in FIG. 9 may be included in operation S620 of FIG. 6.
  • the correlations between a frequency output of a wireless communication module and a frequency output of a reference wireless communication module may be identified through adjustment of a phase shifter of the wireless communication module.
  • an output signal of the wireless communication module and an output signal of the reference wireless communication module may be transmitted to a spectrum analyzer, and the correlations between the frequency output of the wireless communication module and the frequency output of the reference wireless communication module may be identified through the spectrum analyzer.
  • phase offset information may be determined based on a phase value of the phase shifter whereby the frequency output of the wireless communication module and the frequency output of the reference wireless communication module are in mutual constructive interference relations.
  • the phase offset information of the wireless communication module may be determined based on Equation 5 below.
  • ⁇ denotes phase offset information of the wireless communication module
  • ⁇ ps denotes a phase value of the phase shifter of the wireless communication module if the frequency output of the wireless communication module and the frequency output of the reference wireless communication module are mutual constructive interferences.
  • FIG. 10 is a flowchart illustrating a method for determining phase offset information according to a fourth embodiment of the disclosure. According to an embodiment, the flowchart as illustrated in FIG. 10 may be included in operation S620 of FIG. 6.
  • the correlations between a frequency output of a wireless communication module and a frequency output of a reference wireless communication module may be identified through adjustment of a phase shifter of the wireless communication module.
  • an output signal of the wireless communication module and an output signal of the reference wireless communication module may be transmitted to a spectrum analyzer, and the correlations between the frequency output of the wireless communication module and the frequency output of the reference wireless communication module may be identified through the spectrum analyzer.
  • phase offset information may be determined based on a phase value of the phase shifter whereby the frequency output of the wireless communication module and the frequency output of the reference wireless communication module are in mutual destructive interference relations.
  • the phase offset information of the wireless communication module may be determined based on Equation 6 below.
  • ⁇ denotes phase offset information of the wireless communication module
  • ⁇ ps denotes a phase value of the phase shifter of the wireless communication module if the frequency output of the wireless communication module and the frequency output of the reference wireless communication module are mutual constructive interferences.
  • the disclosure provides an electronic device including a wireless communication module, wherein the wireless communication module includes an antenna array including at least one antenna element, a phase shifter configured to control a phase of a beam radiating from the antenna array, a processor electrically connected to the phase shifter and configured to perform beamforming by controlling the phase shifter, and a memory including phase offset information of the wireless communication module.
  • the wireless communication module includes an antenna array including at least one antenna element, a phase shifter configured to control a phase of a beam radiating from the antenna array, a processor electrically connected to the phase shifter and configured to perform beamforming by controlling the phase shifter, and a memory including phase offset information of the wireless communication module.
  • the phase offset information may be determined based on a phase difference between the wireless communication module and a reference wireless communication module.
  • the phase offset information may be determined based on a phase value being controlled by a phase shifter included in the wireless communication module.
  • the phase offset information may be determined based on a phase value being controlled by a phase shifter included in the wireless communication module.
  • the phase offset information may be determined based on a phase value being controlled by a phase shifter included in the wireless communication module.
  • the phase offset information may be determined based on a phase value being controlled by a phase shifter included in the wireless communication module.
  • the disclosure provides a method for testing a wireless communication module which includes acquiring phase offset information stored in a memory of the wireless communication module, adjusting a phase shifter of the wireless communication module based on the phase offset information, and testing an output power and beamforming performance of the wireless communication module.
  • the method may include acquiring the output power of the wireless communication module and an output power of a reference wireless communication module before acquiring the phase offset information, determining the phase offset information based on a sum of the output power of the wireless communication module and the output power of the reference wireless communication module, and storing the determined phase offset information in the memory.
  • Determining the phase offset information may include identifying a sum of the output power of the wireless communication module and the output power of the reference wireless communication module by adjusting the phase shifter, and determining the phase offset information based on a phase value of the phase shifter whereby the sum of the output power of the wireless communication module and the output power of the reference wireless communication module has a maximum value.
  • Determining the phase offset information may include identifying a sum of the output power of the wireless communication module and the output power of the reference wireless communication module by adjusting the phase shifter, and determining the phase offset information based on a phase value of the phase shifter whereby the sum of the output power of the wireless communication module and the output power of the reference wireless communication module has a minimum value.
  • Determining the phase offset information may include identifying correlations between a frequency output of the wireless communication module and a frequency output of the reference wireless communication module by adjusting the phase shifter, and determining the phase offset information based on a phase value of the phase shifter whereby the frequency output of the wireless communication module and the frequency output of the reference wireless communication module are in mutual constructive interference relations.
  • Determining the phase offset information may include identifying correlations between a frequency output of the wireless communication module and a frequency output of the reference wireless communication module by adjusting the phase shifter, and determining the phase offset information based on a phase value of the phase shifter whereby the frequency output of the wireless communication module and the frequency output of the reference wireless communication module are in mutual destructive interference relations.
  • the disclosure provides a base station including a wireless communication module, wherein the wireless communication module includes an antenna array including at least one antenna element, a phase shifter configured to control a phase of a beam radiating from the antenna array, a processor electrically connected to the phase shifter and configured to perform beamforming by controlling the phase shifter, and a memory including phase offset information of the wireless communication module.
  • the wireless communication module includes an antenna array including at least one antenna element, a phase shifter configured to control a phase of a beam radiating from the antenna array, a processor electrically connected to the phase shifter and configured to perform beamforming by controlling the phase shifter, and a memory including phase offset information of the wireless communication module.
  • the phase offset information may be determined based on a phase difference between the wireless communication module and a reference wireless communication module.
  • the phase offset information may be determined based on a phase value being controlled by a phase shifter included in the wireless communication module.
  • the phase offset information may be determined based on a phase value being controlled by a phase shifter included in the wireless communication module.
  • the phase offset information may be determined based on a phase value being controlled by a phase shifter included in the wireless communication module.
  • the phase offset information may be determined based on a phase value being controlled by a phase shifter included in the wireless communication module.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de communication et un système destinés à faire converger un système de communication de 5ème génération (5G) pour prendre en charge des débits de données supérieurs à ceux d'un système de 4ème génération (4G) à l'aide d'une technologie de l'internet des objets (IdO). L'invention peut s'appliquer à des services intelligents basés sur la technologie de communication 5G et sur la technologie associée à l'IdO, tels que des services de maison intelligente, de bâtiment intelligent, de ville intelligente, de voiture intelligente, de voiture connectée, de soins de santé, d'enseignement numérique, de commerce de détail intelligent, de sécurité et de sûreté. La présente invention concerne un dispositif électronique, comprenant un dispositif de communication sans fil. Le module de communication sans fil comprend un réseau d'antennes comprenant au moins un élément d'antenne, un déphaseur conçu pour commander une phase d'un faisceau rayonnant à partir du réseau d'antennes, un processeur connecté électriquement au déphaseur et conçu pour mettre en oeuvre une formation de faisceau par commande du déphaseur, et une mémoire comprenant des informations de décalage de phase du module de communication sans fil.
PCT/KR2019/018443 2018-12-26 2019-12-26 Procédé de test de module de communication sans fil et dispositif électronique comprenant le module de communication sans fil Ceased WO2020138940A1 (fr)

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EP19904586.5A EP3827529B1 (fr) 2018-12-26 2019-12-26 Procédé de test de module de communication sans fil et dispositif électronique comprenant le module de communication sans fil
CN201980083436.2A CN113243090B (zh) 2018-12-26 2019-12-26 测试无线通信模块的方法及包含无线通信模块的电子设备

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KR1020180169880A KR102388027B1 (ko) 2018-12-26 2018-12-26 무선통신 모듈의 시험 방법 및 상기 무선통신 모듈을 포함하는 전자 장치

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CN113243090A (zh) 2021-08-10
EP3827529A1 (fr) 2021-06-02
CN113243090B (zh) 2024-02-23
US20200213017A1 (en) 2020-07-02
US11283532B2 (en) 2022-03-22
KR20200080034A (ko) 2020-07-06

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